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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 32 |
| 1974 | 32 |
| 1975 | 38 |
| 1976 | 18 |
| 1977 | 21 |
| 1978 | 13 |
| 1979 | 24 |
| 1980 | 24 |
| 1981 | 13 |
| 1982 | 18 |
| 1983 | 27 |
| 1984 | 38 |
| 1985 | 30 |
| 1986 | 33 |
| 1987 | 25 |
| 1988 | 27 |
| 1989 | 49 |
| 1990 | 75 |
| 1991 | 69 |
| 1992 | 94 |
| 1993 | 93 |
| 1994 | 104 |
| 1995 | 114 |
| 1996 | 115 |
| 1997 | 116 |
| 1998 | 111 |
| 1999 | 113 |
| 2000 | 70 |
| 2001 | 90 |
| 2002 | 71 |
| 2003 | 71 |
| 2004 | 74 |
| 2005 | 91 |
| 2006 | 79 |
| 2007 | 66 |
| 2008 | 81 |
| 2009 | 64 |
| 2010 | 62 |
| 2011 | 77 |
| 2012 | 86 |
| 2013 | 82 |
| 2014 | 94 |
| 2015 | 138 |
| 2016 | 116 |
| 2017 | 70 |
| 2018 | 95 |
| 2019 | 87 |
| 2020 | 87 |
| 2021 | 81 |
| 2022 | 107 |
| 2023 | 45 |
| 2024 | 15 |